Submission #1308949

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308949		lyra_g13	Lasers (NOI19_lasers)	C++20	0 / 100	1 ms	572 KiB

lasers

#include <bits/stdc++.h>
using ll = long long;
using namespace std;

int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);

  ll l, r;
  cin >> l >> r;

  for (int i = 0; i < r; i++) {
    ll x;
    cin >> x;
    if (r == 1 and x == 1) {
      ll a;
      cin >> a;
      if (a == l) {
        cout << a << "\n";
      } else {
        cout << 0 << "\n";
      }
      return 0;
    }
  }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 22
• Subtask 6: 0 / 13